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mojhsa [17]
3 years ago
7

An architect planned to construct two similar stone pyramid structures in a park. The

Mathematics
2 answers:
kondaur [170]3 years ago
7 0

Answer:

1) Change the length of side AB to 2 feet

Step-by-step explanation:

Given that both structures are similar, it follows that the ratio of their corresponding lengths are equal.

To find out what should be the correct length of AB that she should change to, set up the proportion showing the ratio of 2 corresponding lengths of both structures. Thus:

\frac{PR}{AC} = \frac{PQ}{AB}

We will assume AB is unknown.

PR = 7.5 ft

AC = 2.5 ft

PQ = 6 ft

Plug in the values into the equation

\frac{7.5}{2.5} = \frac{6}{AB}

Cross multiply

AB*7.5 = 6*2.5

AB*7.5 = 15

Divide both sides by 7.5

AB = 2

The architect should change the length of AB to 2 ft

fenix001 [56]3 years ago
3 0

Answer:

Change the length of side AB to 2 feet

Step-by-step explanation:

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Answer:

1 3/5 = 8/5

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Step-by-step explanation:

make an equality:

x/(8/5)=2/100

it kinds looks weird on here but write it out on paper

then cross multiply:

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now divide each side by 100:

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same for the second one:

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Zigmanuir [339]
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So, to find the mean you want o add up all of the numbers and then divide by the number of numbers.

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